drivers/clk/mediatek/clk-mt8183-ipu0.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Copyright (c) 2018 MediaTek Inc.
   4 // Author: Weiyi Lu <weiyi.lu@mediatek.com>
   5
   6 #include <linux/clk-provider.h>
   7 #include <linux/platform_device.h>
   8
   9 #include "clk-mtk.h"
  10 #include "clk-gate.h"
  11
  12 #include <dt-bindings/clock/mt8183-clk.h>
  13
  14 static const struct mtk_gate_regs ipu_core0_cg_regs = {
  15         .set_ofs = 0x4,
  16         .clr_ofs = 0x8,
  17         .sta_ofs = 0x0,
  18 };
  19
  20 #define GATE_IPU_CORE0(_id, _name, _parent, _shift)                     \
  21         GATE_MTK(_id, _name, _parent, &ipu_core0_cg_regs, _shift,       \
  22                 &mtk_clk_gate_ops_setclr)
  23
  24 static const struct mtk_gate ipu_core0_clks[] = {
  25         GATE_IPU_CORE0(CLK_IPU_CORE0_JTAG, "ipu_core0_jtag", "dsp_sel", 0),
  26         GATE_IPU_CORE0(CLK_IPU_CORE0_AXI, "ipu_core0_axi", "dsp_sel", 1),
  27         GATE_IPU_CORE0(CLK_IPU_CORE0_IPU, "ipu_core0_ipu", "dsp_sel", 2),
  28 };
  29
  30 static const struct mtk_clk_desc ipu_core0_desc = {
  31         .clks = ipu_core0_clks,
  32         .num_clks = ARRAY_SIZE(ipu_core0_clks),
  33 };
  34
  35 static const struct of_device_id of_match_clk_mt8183_ipu_core0[] = {
  36         {
  37                 .compatible = "mediatek,mt8183-ipu_core0",
  38                 .data = &ipu_core0_desc,
  39         }, {
  40                 /* sentinel */
  41         }
  42 };
  43 MODULE_DEVICE_TABLE(of, of_match_clk_mt8183_ipu_core0);
  44
  45 static struct platform_driver clk_mt8183_ipu_core0_drv = {
  46         .probe = mtk_clk_simple_probe,
  47         .remove = mtk_clk_simple_remove,
  48         .driver = {
  49                 .name = "clk-mt8183-ipu_core0",
  50                 .of_match_table = of_match_clk_mt8183_ipu_core0,
  51         },
  52 };
  53 module_platform_driver(clk_mt8183_ipu_core0_drv);
  54
  55 MODULE_DESCRIPTION("MediaTek MT8183 Pri. Image Processing Unit clocks driver");
  56 MODULE_LICENSE("GPL");